This week a a tantalizing list has been added on Bring a Trailer for a “Pre-production 2021 Chevrolet Corvette Stingray Coupe C8.R 01EX”. In the comments, the listing seller tells the story of a General Motors experimental experiment C8 prototype that somehow escaped the clutches of GM, an untraceable machine that, if genuine, would count as the 1,001st example of the C8.R edition limited to 1,000 copiesa special set commemorating the mid-engined Vette dominant season 2020 in sports car racing. Jalopnik spoke to a Chevy rep to try to unravel the mystery.
The Ray 2021 listed on BaT shows only 97 miles on its odometer. The seller, a dealer from Sarasota, Fla., who posts on BaT under the username “coolstuff,” explains in the comments that he bought the Yellow Vette at auction in July and initially didn’t think not that it was anything special. Then he noticed a few unusual details: the body showed traces of adhesive where racing stripes decals had been applied and then removed. Even more puzzling, the car bore an interior plaque that marked it as one of 1,000 2022 Corvette Stingray Edition of the IMSA GTLM championship.
But instead of carrying a serial number, the interior plate read “01EX”. And when the salesman noted this unusual plate to his contact at GM, he says the automaker’s representative responded in a panic, asking to take the car back to Detroit to be examined by Chevy. The dealership refused, but agreed to let a GM technician come to their facility to examine the Vette.
As the salesman recounts, the GM technician spent eight hours going over the mysterious ’21 Stingray. Most of the work seems to have been rather mundane: adding legally required warning labels and making sure the owner’s manual was correct for the car’s year and specification. But as the seller says, GM Tech called the Corvette an experimental prototype that escaped GM’s hands and mistakenly ended up at a used-car auction. Of the seller’s comment on BaTslightly edited for clarity:
[The technician told me] this car was to be stripped and/or crushed, but it was not in the warehouse where the others were decommissioned, but rather in the media building and was missed. There is an app on the car that is owned by GM that communicates in real time with GM in Detroit, and it needs to be removed. Also, this car was not meant to be sold or on the road, so we need to make it compliant with all warning labels and replace the owner’s manuals in the car with the correct version. It came [on] to say that this car caused S#@T at GM because there were only 1,000 C8Rs made and now there are 1,001! If they had removed the plate like they were supposed to, along with all the other C8R stuff, you never would have known what you had.
Unfortunately, a quick chat with a GM rep painted a much more mundane picture. “This Corvette is special in a way,” Trevor Thompkins, communications manager for performance cars and motorsports, told me Thursday by phone. “It’s a 2021 Corvette simulated to look like an IMSA GTLM Champion Edition, which was only sold in 2022.”
Thompkins confirmed that the BaT-listed 2021 Corvette was originally sold to GM as part of the automaker’s Captured Test Fleet program. The CTF program is well known to GM enthusiasts, with numerous discussion threads explaining how it works. Basically, GM takes delivery of a fleet of pre-production vehicles and assigns them to company employees to use as daily drivers for up to 7,000 miles. Vehicles are equipped to send data back to GM to show how new model year changes work under real-world driving conditions. When a vehicle ages or exceeds the CTF program, the telemetry data communication system is removed and the company makes any necessary modifications to align the pre-production car with a production vehicle for that model year and under- model. Then the vehicles are sold to the public through used car auctions.
Thompkins confirmed that, based on the VIN listed on the BaT auction, the yellow Corvette seen here was previously owned by GM under the CTF program. As the auction listing indicates, this particular Corvette was simulated with the Model Year 22 IMSA Champion Edition appearance package, and was driven at various racing events as a Chevy promotional vehicle. In fact, that same Corvette was the vehicle shown at the 2021 Detroit Grand Prix in June, where the 2022 Champion Edition package was first unveiled to the public. It was also used in promotional photos and materials released by Chevy.
“What basically happened was that when they did the inspection, they left the [C8.R special edition] a sign in there, even though the scratches have been removed and it’s returned to build status that matches the Monroney,” Thompkins told Jalopnik. “We make sure these vehicles are anything a production Stingray of this model year would have, and that’s a process that takes place before it goes to auction. That’s why the technician came out after the auction, to make sure everything was done properly.
Thompkins confirmed that the Corvette CTF would not have had any special equipment installed that was not intended for production, and that any software returning vehicle data to GM would have been removed. Regarding the seller’s note about receiving a Monroney window sticker marked “Reissue”, Thompkins told me that this is standard procedure after a CTR vehicle is brought back to its model year specifications correct. (Remember that as a pre-production vehicle, this Corvette could have been originally built with equipment or software that was not regularly produced, all of which would have been removed before being auctioned at the audience.)
So, yes, the BaT listing is correct, in a sense: this vehicle started life as a pre-production 2021 Corvette Stingray and was updated to match the 2022 C8.R Special Edition package only. It has been used by Chevy at racing events and photographed for promotional material. It is however doubtful that this vehicle was intended to be stripped or crushed as described by the seller. Judging from what Thompkins told me, it looks like GM techs initially missed the special edition badge on the inside when they decided to bring this vehicle up to 2021 model year spec. before selling it at auction; when the interior badge was discovered, the automaker sent a technician to check the car again to make sure nothing else had been overlooked.
So, is this one of those legendary top-secret prototypes that were never destined to leave GM’s hands? Unlikely. But this is a unique Corvette, with a fascinating history and unusual equipment that makes it unique. That seems to be enough to generate a lot of interest: at the time of this writing on Friday, Corvette bidding hit nearly $99,000a full $10,000 on MSRP on the window sticker. The auction ends Monday; we’ll be curious to see what the winner ends up paying for this unusual stock Corvette.
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